Implement the option for auto audio devices switching for Windows too

(previously SDL-only)

UI/GameSettingsScreen.cpp

@@ -634,16 +634,20 @@ void GameSettingsScreen::CreateViews() {
 		MicChoice->OnChoice.Handle(this, &GameSettingsScreen::OnMicDeviceChange);
 	}
 
+	bool sdlAudio = false;
 #if defined(SDL)
 	std::vector<std::string> audioDeviceList;
 	SplitString(System_GetProperty(SYSPROP_AUDIO_DEVICE_LIST), '\0', audioDeviceList);
 	audioDeviceList.insert(audioDeviceList.begin(), a->T("Auto"));
 	PopupMultiChoiceDynamic *audioDevice = audioSettings->Add(new PopupMultiChoiceDynamic(&g_Config.sAudioDevice, a->T("Device"), audioDeviceList, nullptr, screenManager()));
 	audioDevice->OnChoice.Handle(this, &GameSettingsScreen::OnAudioDevice);
-
-	audioSettings->Add(new CheckBox(&g_Config.bAutoAudioDevice, a->T("Switch on new audio device")));
+	sdlAudio = true;
 #endif
 
+	if (sdlAudio || g_Config.iAudioBackend == AUDIO_BACKEND_WASAPI) {
+		audioSettings->Add(new CheckBox(&g_Config.bAutoAudioDevice, a->T("Use new audio devices automatically")));
+	}
+
 #if defined(__ANDROID__)
 	CheckBox *extraAudio = audioSettings->Add(new CheckBox(&g_Config.bExtraAudioBuffering, a->T("AudioBufferingForBluetooth", "Bluetooth-friendly buffer (slower)")));
 	extraAudio->SetEnabledPtr(&g_Config.bEnableSound);

Windows/WASAPIStream.cpp

@@ -59,7 +59,7 @@ public:
 		deviceChanged_ = false;
 	}
 
-	bool HasDeviceChanged() {
+	bool HasDefaultDeviceChanged() const {
 		return deviceChanged_;
 	}
 
@@ -529,7 +529,7 @@ void WASAPIAudioThread::Run() {
 		}
 
 		// Check if we should use a new device.
-		if (notificationClient_ && notificationClient_->HasDeviceChanged()) {
+		if (notificationClient_ && notificationClient_->HasDefaultDeviceChanged() && g_Config.bAutoAudioDevice) {
 			hresult = audioInterface_->Stop();
 			ShutdownAudioDevice();